HomeFish encyclopediaSharks and RaysGround sharksCat sharksSarawak pygmy swell shark Sarawak pygmy swell shark (Cephaloscyllium sarawakensis) Scientific name: Cephaloscyllium sarawakensis Yano, Ahmad & Gambang, 2005 The Sarawak pygmy swell shark (Cephaloscyllium sarawakensis) is a marine fish of the family Scyliorhinidae. Native range: Western Pacific, Malaysia and Brunei Darussalam. BiologyAll specimens were collected by trawl nets near the edge of the continental shelf.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCephaloscyllium sarawakensisFamilyScyliorhinidae (Cat sharks)OrderCarcharhiniformes (Ground sharks)ClassElasmobranchii (Sharks and Rays)Maximum length32.0Depth range118–165 m (387–541 ft)EnvironmentMarine; benthopelagic; depth range 118 - 165 mClimateSubtropicalDistributionWestern Pacific: Malaysia and Brunei Darussalam.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026